Answer / venkatesh

It is the ratio of Power delivered to the load to the power
supllied to the device as a input.

Answer / arun

efficiency of the transformer is 97 or 98%

Answer / gs kiani

Transformer efficiency depends upon Input and Output Power.
Effeciency =Output Power/ Input Power
As transformer is static device without any rotating part so it is most efficient electical component or device with efficiency more than 95% approaching to 98%

Answer / manikandan

which is nothing but the ratio of primary power to the
secondry power

Answer / kinjan

IT IS THE RATIO OF OUTPUT POWER TO THE INPUT POWER.

When and where resistance earthing is used ? How to calculate the time constant for earth fault

0 Answers  

why there is no current in the rotor body althrough the flux linking with it also get changes. why current only flows in windinds not in rotor

1 Answers   Vedanta,

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where was current transformer protection units used and why??

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for 500mw power production how many range of transformer set in unit please reply if three transformer use .

2 Answers  

In generally how many earthing required for power

4 Answers  

what is the purpose of using battery in dg sets, please specify in details.

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could i arrange a faulty and healthey battery bank togather in parallel , if your ans is not then why?

3 Answers